# BellyDanceCore by Mariam vs Circus Abs

The clearest difference is in-app purchases: BellyDanceCore by Mariam at none against Circus Abs's 1. BellyDanceCore by Mariam also leads on ads (none vs shown). Circus Abs's advantage is update cadence (every 2 days vs every 4 months) and iOS requirement (13.0 vs 16.4). On price and device support there is nothing between them.

Both are free to download. Circus Abs sells 1 one-off in-app purchase. BellyDanceCore by Mariam asks for nothing beyond the download.

BellyDanceCore by Mariam ships an update every 4 months, Circus Abs every 2 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | BellyDanceCore by Mariam | Circus Abs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/circus-abs-core-workout/id6444448676/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 121 MB | 224 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) | [JH Digital Solutions](https://appshunter.io/developer/481610881) |

## What reviewers say

### BellyDanceCore by Mariam

[App page](https://appshunter.io/ios/app/bellydancecore-by-mariam/id1641333635)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Circus Abs

[App page](https://appshunter.io/ios/app/circus-abs-core-workout/id6444448676)

Sculpt your abdominal muscles with a variety of challenging exercises designed for all fitness levels. Create custom workouts, share them with friends, and get instructions from a professional circus artist.

**Highlights:** Over 50 exercises, Custom workout creation, Workout sharing, Professional circus artist instructions, Simple UI

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All the exercises | $3.99 | one-time |


## Frequently asked questions

### Is BellyDanceCore by Mariam free?

BellyDanceCore by Mariam is free to download, with no in-app purchases.

### Is Circus Abs free?

Circus Abs is free to download, with in-app purchases available.

### Do BellyDanceCore by Mariam or Circus Abs have ads?

Circus Abs shows ads; BellyDanceCore by Mariam does not.

### Which is updated more often, BellyDanceCore by Mariam or Circus Abs?

BellyDanceCore by Mariam ships an update every 4 months, and Circus Abs every 2 days. Most recently, BellyDanceCore by Mariam was updated on November 3, 2026 and Circus Abs on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*